feat: add MongoDB support with connection pooling and repository pattern

src/config.rs

@@ -4,10 +4,14 @@ use std::env;
 use std::net::SocketAddr;
 use std::str::FromStr;
 
-#[derive(Debug)]
+#[cfg(feature = "no-auth")]
+use tracing::error;
+
+#[derive(Debug, Clone)]
 pub struct Config {
     pub bind_address: SocketAddr,
-    // pub database_url: Option<String>,
+    pub mongodb_uri: String,
+    pub database_name: String,
 }
 
 impl Config {
@@ -24,11 +28,15 @@ impl Config {
             return Err("In no-auth mode, BIND_ADDRESS must be 127.0.0.1".to_string());
         }
 
-        // let database_url = env::var("DATABASE_URL").ok();
+        let mongodb_uri =
+            env::var("MONGODB_URI").unwrap_or_else(|_| "mongodb://localhost:27017".to_string());
+
+        let database_name = env::var("DATABASE_NAME").unwrap_or_else(|_| "purenotify".to_string());
 
         Ok(Self {
             bind_address,
-            // database_url,
+            mongodb_uri,
+            database_name,
         })
     }
 }